For example if a furnace is rated at 100 000 btus and is 80 efficient then the heat output will be 80 000 btus 100 000 x 8.
40000 btu furnace.
Furnaces are rated on their btus of energy consumption not their btus of energy output.
This btu count is a measure of the input of the furnace per hour while the output of this furnace is 32 000 btu s 40 000 x 80 afue per hour.
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Shop our selection of goodman 40 000 btu furnaces and airquest by carrier to find the right fit for your home.
The gmes800403an goodman gas furnace is 40 000 btu s which is the smallest goodman furnace size currently available.
40 000 btu 80 afue multi speed single stage goodman gas furnace low nox california model downflow horizontal.
Goodman gas furnace 40 000 btu 80 natural gas or propane single stage upflow horizontal gmes800403an.
Signature 110 000 btu 80 afue multi position multi speed natural gas furnace with 21 in.
Forsaire 40 000 btu counterflow direct vent liquid propane gas wall heater professional installation is recommended designed to provide heat for rooms up to 1200 sq.
40 000 btu furnace 80 efficient furnace multi speed high efficiency blower motor single stage burner array configuration.
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90 000 btu 95 afue downflow multi speed low nox gas furnace with 21 in.
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Direct comfort gas furnace 40 000 btu 80 natural gas or propane single stage downflow dc gces800403an.
Huge selection of goodman 40000 btu gas furnaces.
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A more efficient furnace will output more btus of heat than a less efficient furnace with the same btu rating.
At 40 to 45 btus per square foot you d need a 100 000 to 112 500 btu.
40 000 btu furnace heaters.